128611375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2087}}^1$

素因数の和:2148

約数の個数: 32

約数和(自身を含む): 175893120

約数和(自身を除く): 47281745

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 425, 493, 725, 2087, 2125, 2465, 3625, 10435, 12325, 35479, 52175, 60523, 61625, 177395, 260875, 302615, 886975, 1028891, 1513075, 4434875, 5144455, 7565375, 25722275, 128611375]

約数ペア:

[(1, 128611375), (5, 25722275), (17, 7565375), (25, 5144455), (29, 4434875), (85, 1513075), (125, 1028891), (145, 886975), (425, 302615), (493, 260875), (725, 177395), (2087, 61625), (2125, 60523), (2465, 52175), (3625, 35479), (10435, 12325)]